[ovirt-users] Using both shared and local storage

[Damir Marković]

Thank you for your help, Jiri!

My expectations are based on experience with other cloud platforms and
since oVirt doesn't work like that, we simply won't use it. :-)
My post was simply for purpose to see if I am missing something, but you
confirmed that I am not.

Once again, thank you a lot!


On Mon, Aug 31, 2015 at 12:38 PM, Jiri Belka <jbelka at redhat.com> wrote:

> > No, it doesn't work as expected. I would expect to have an option to
> attach
> > to any Virtual Machine storage which is either shared or local.
>
> It does work as expected, do your homework first to know how oVirt does
> work. Your expectation are just your expectations.
>
> Question: How would you migrate a VM in a cluster with local storage?
>
> Wouldn't glusterfs solve the issue? It can use those SSDs... (Not expert
> in glusters here...).
>
> j.
>
> > For example, I have database server so I could put on shared storage and
> > use local, SSD disk for data. I don't care if system is on "slow" network
> > storage but with a lot of space and in the same time, I can use limited,
> > but fast SSD space for data only.
> >
> > So, is this possible or not?
> >
> > [...]
> > > > Currently at the company, we are testing oVirt 3.5 as a cloud
> platform.
> > > > We have 4 nodes and GlusterFS as a shared storage.
> > > > Every node has another SSD disk, currently not used. What we would
> like
> > > is to
> > > > attach that local storage to particular host, so that some virtual
> > > machines
> > > > can be on local and some on shared storage.
> > > > If I try to create local storage, it works, but then host is in
> separate
> > > Data
> > > > Center.
> > > > If I try to add POSIX FS to node in existing Data Center, then all
> other
> > > > hosts stop working, since they can't access that local storage (kind
> of
> > > > expected).
> > > >
> > > > So, long story short - does shared and local storage mix and how?
> > > >
> > > > Thank you very much!
> > >
> > > Works as expected, doesn't it? What do you want to exactly achieve
> > > with local storage?
>



-- 
Damir Marković | System Engineer | Nordeus
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